From e6a780bcc473a9d4ed988cd22f59327ec5132323 Mon Sep 17 00:00:00 2001
From: 153264 <36463512+153264@users.noreply.github.com>
Date: Sat, 16 Apr 2022 09:35:35 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8D=20think\Validate=20unique?=
 =?UTF-8?q?=E8=A7=84=E5=88=99=20=E5=BD=93=E6=9C=AA=E6=8F=90=E4=BE=9B?=
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 =?UTF-8?q?=E5=90=8D=E8=BF=9B=E8=A1=8C=E6=9F=A5=E8=AF=A2=20=E5=AF=BC?=
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---
 src/think/Validate.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/think/Validate.php b/src/think/Validate.php
index 0788406415..0b28152e3f 100644
--- a/src/think/Validate.php
+++ b/src/think/Validate.php
@@ -1146,7 +1146,7 @@ public function unique($value, $rule, array $data = [], string $field = ''): boo
                 }
             }
         } elseif (isset($data[$field])) {
-            $map[] = [$key, '=', $data[$field]];
+            $map[] = [$key ?: $field, '=', $data[$field]];
         } else {
             $map = [];
         }